Cisco Cisco Content Switching Module Manual Técnica

!−−− CSM upstream gateway (the MSFC).

vlan 4 server

ip address 192.168.1.1 255.255.255.0

!−−− This is the CSM IP address on the SCA server farm VLAN.

!−−− SCAs use this IP address as the default gateway.

vlan 10 server

ip address 192.168.2.1 255.255.255.0

!−−− This is the CSM IP address on the web server farm VLAN.

!−−− The web servers use this IP address as the default gateway.

static drop

real 192.168.2.0 255.255.255.0

!−−− This drops every new connection that the web servers originate,

!−−− unless the connection matches a VIP.

serverfarm SCA443

nat server

!−−− When connections are directed to this server farm,

!−−− the IP address of the SCA selection replaces

!−−− the destination IP address.

no nat client

real 192.168.1.250 443

inservice

real 192.168.1.251 443

inservice

!−−− The configurations of both SCAs are such that,

!−−− with the send of a connection to this server farm, the destination port

!−−− translates to 443. In this example, there is no translation, as

!−−− the VIP listens to port 443.

!−−− This is different in the following server farm, SCA444.

serverfarm SCA444

nat server

no nat client

real 192.168.1.250 444

inservice

real 192.168.1.251 444

inservice

!−−− With the selection of this server farm, there is a

!−−− modification of connections that go to either SCA.

!−−− The destination IP changes to match the IP of one of the SCAs

!−−− (NAT server), and the destination port becomes 444.

serverfarm WEBFARM

nat server

no nat client

real 192.168.2.10 80

inservice

real 192.168.2.11 80